diff --git a/imx8mp-mnt-pocket-reform_defconfig b/imx8mp-mnt-pocket-reform_defconfig
index e8a12caa3b44d268724fb864f45f8b483e143c5a..3009ea9e2c5d7c33638174496b6e6f3f25e8abef 100644
--- a/imx8mp-mnt-pocket-reform_defconfig
+++ b/imx8mp-mnt-pocket-reform_defconfig
@@ -199,4 +199,4 @@ CONFIG_IMX_WATCHDOG=y
 CONFIG_LIBAVB=y
 CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="ro no_console_suspend pci=pcie_bus_perf nvme_core.default_ps_max_latency_us=0 console=tty1 fbcon=rotate:3"
+CONFIG_BOOTARGS="ro no_console_suspend pci=pcie_bus_perf nvme_core.default_ps_max_latency_us=0 console=tty1 fbcon=rotate:3 cma=256MB"
diff --git a/imx8mp-mnt-reform2_defconfig b/imx8mp-mnt-reform2_defconfig
index 71eada4afa95512315b767789cbd88fd609d45bd..9e5aacfc7e8ab5c73cd51e89526f4c4c849f5576 100644
--- a/imx8mp-mnt-reform2_defconfig
+++ b/imx8mp-mnt-reform2_defconfig
@@ -199,4 +199,4 @@ CONFIG_IMX_WATCHDOG=y
 CONFIG_LIBAVB=y
 CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="ro no_console_suspend pci=pcie_bus_perf nvme_core.default_ps_max_latency_us=0 console=tty1"
+CONFIG_BOOTARGS="ro no_console_suspend pci=pcie_bus_perf nvme_core.default_ps_max_latency_us=0 console=tty1 cma=256MB"